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C75700 Nickel Silver vs. C86700 Bronze

Both C75700 nickel silver and C86700 bronze are copper alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 590 to 610
630
Tensile Strength: Yield (Proof), MPa 470 to 580
250

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 1040
880
Melting Onset (Solidus), °C 990
860
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
89
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
19

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 56
49
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
86
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
290
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 20
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 12
28
Thermal Shock Resistance, points 22 to 23
21

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Copper (Cu), % 63.5 to 66.5
55 to 60
Iron (Fe), % 0 to 0.25
1.0 to 3.0
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0 to 0.5
1.0 to 3.5
Nickel (Ni), % 11 to 13
0 to 1.0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 19.2 to 25.5
30 to 38
Residuals, % 0 to 0.5
0 to 1.0